/* ===== 品牌历程 · 页面专属样式（作用域 .page-about） ===== */

.page-about {
  --about-idx-w: 168px;
  --about-body-max: 68ch;
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5vw, 56px) 0 clamp(44px, 7vw, 96px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(59, 224, 200, 0.14), transparent 58%),
    radial-gradient(90% 70% at 4% 100%, rgba(255, 122, 61, 0.10), transparent 62%),
    var(--ink);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -60px;
  width: 52%;
  height: 200px;
  background: linear-gradient(96deg, transparent 8%, rgba(23, 166, 151, 0.16) 100%);
  transform: skewY(-4.5deg);
  pointer-events: none;
}

.page-about .about-hero .breadcrumb {
  position: relative;
  z-index: 1;
}

.page-about .about-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 58px);
  margin-top: clamp(24px, 4vw, 44px);
  align-items: end;
}

.page-about .about-hero-title {
  margin: 14px 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(32px, 6.6vw, 74px);
  line-height: 1.08;
  letter-spacing: -0.022em;
  color: var(--paper);
  max-width: 16ch;
}

.page-about .about-hero-lede {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  max-width: 56ch;
  color: rgba(242, 237, 227, 0.78);
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.8;
}

.page-about .about-hero .actions-row {
  margin-top: clamp(22px, 3vw, 34px);
}

/* 首屏右侧：球场示意 + 关键数字 */

.page-about .about-hero-side {
  display: grid;
  gap: clamp(18px, 2.6vw, 26px);
}

.page-about .pitch-visual {
  position: relative;
  width: 100%;
  max-width: 300px;
  aspect-ratio: 3 / 4;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 34%, rgba(59, 224, 200, 0.18), transparent 62%),
    linear-gradient(180deg, rgba(20, 58, 46, 0.95), rgba(7, 26, 21, 0.55));
  overflow: hidden;
}

.page-about .pitch-visual::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 44%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(59, 224, 200, 0.42);
  border-radius: 50%;
}

.page-about .pitch-visual::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: rgba(159, 176, 169, 0.32);
}

.page-about .pitch-box {
  position: absolute;
  inset: 13% 20%;
  border: 1px solid rgba(159, 176, 169, 0.22);
}

.page-about .about-kpi {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-kpi-item {
  display: grid;
  gap: 8px;
  padding: 15px 14px;
  background: var(--ink-deep);
}

.page-about .about-kpi-label {
  font-size: var(--fs-1);
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-about .about-kpi-value {
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

/* ---------- 历程章节区 ---------- */

.page-about .about-chronicle {
  padding: clamp(46px, 7vw, 96px) 0 clamp(54px, 8vw, 116px);
  background: var(--ink-deep);
  border-top: 1px solid var(--line);
}

.page-about .chronicle-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 60px);
}

.page-about .chronicle-index {
  display: none;
}

.page-about .chronicle-body {
  position: relative;
  display: grid;
  gap: clamp(46px, 6vw, 92px);
  min-width: 0;
}

/* ---------- 单个章节 ---------- */

.page-about .chapter {
  position: relative;
  min-width: 0;
  scroll-margin-top: calc(var(--header-h) + 26px);
}

.page-about .chapter-head {
  position: relative;
  display: grid;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-about .chapter-num {
  display: block;
  font-size: clamp(34px, 7vw, 72px);
  font-weight: 700;
  line-height: 0.86;
  letter-spacing: -0.04em;
  color: rgba(59, 224, 200, 0);
  -webkit-text-stroke: 1px var(--line);
  transition: color 0.45s var(--ease), -webkit-text-stroke-color 0.45s var(--ease);
}

.page-about .chapter-num.is-visible {
  color: var(--cyan);
  -webkit-text-stroke-color: var(--cyan);
}

.page-about .chapter-kicker {
  margin: 0;
  color: var(--cyan-2);
}

.page-about .chapter-title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.014em;
  color: var(--paper);
  max-width: 20ch;
}

.page-about .chapter-note {
  margin: 2px 0 0;
  color: var(--orange);
  font-size: var(--fs-2);
  letter-spacing: 0.04em;
}

.page-about .chapter-body {
  display: grid;
  gap: 15px;
  max-width: var(--about-body-max);
}

.page-about .chapter-body p {
  margin: 0;
  color: rgba(242, 237, 227, 0.8);
  font-size: var(--fs-3);
  line-height: 1.8;
}

.page-about .chapter-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 42px);
  align-items: start;
}

/* ---------- 图片 ---------- */

.page-about .about-figure {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--pine);
}

.page-about .about-figure--wide {
  margin-top: clamp(24px, 3.6vw, 38px);
  max-width: 100%;
}

.page-about .about-figure--wide img {
  aspect-ratio: 3 / 2;
}

.page-about .about-figure--tall img {
  aspect-ratio: 4 / 3;
}

.page-about .about-figure .caption {
  color: var(--mist);
}

/* ---------- 团队分工 ---------- */

.page-about .team-split {
  list-style: none;
  margin: clamp(10px, 2vw, 18px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .team-split li {
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr);
  gap: 4px 16px;
  align-items: baseline;
  padding: 15px 16px;
  background: var(--pine);
}

.page-about .team-split-num {
  grid-row: span 2;
  font-size: var(--fs-5);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-about .team-split-name {
  font-size: var(--fs-3);
  font-weight: 700;
  color: var(--paper);
}

.page-about .team-split-desc {
  font-size: var(--fs-2);
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 简史索引网格 ---------- */

.page-about .index-grid {
  list-style: none;
  margin: clamp(12px, 2vw, 20px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .index-cell {
  display: grid;
  gap: 8px;
  padding: 16px;
  background: var(--ink);
}

.page-about .index-cell-label {
  font-size: var(--fs-1);
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-about .index-cell-value {
  font-size: var(--fs-4);
  font-weight: 700;
  line-height: 1.2;
  color: var(--paper);
}

.page-about .index-cell:first-child .index-cell-value {
  color: var(--cyan);
}

/* ---------- 合作与荣誉 ---------- */

.page-about .honor-list {
  list-style: none;
  margin: clamp(12px, 2vw, 20px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .honor-item {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 14px 2px;
  background: var(--ink-deep);
}

.page-about .honor-year {
  font-size: var(--fs-3);
  font-weight: 700;
  color: var(--orange);
}

.page-about .honor-text {
  font-size: var(--fs-3);
  line-height: 1.6;
  color: rgba(242, 237, 227, 0.84);
}

/* ---------- 后续规划卡片 ---------- */

.page-about .next-grid {
  list-style: none;
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .next-card {
  display: grid;
  gap: 10px;
  padding: 20px 18px;
  background: var(--pine);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .next-card:hover {
  background: #17402f;
}

.page-about .next-card-label {
  font-size: var(--fs-1);
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-about .next-card-value {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
}

.page-about .next-card-note {
  font-size: var(--fs-2);
  line-height: 1.6;
  color: rgba(242, 237, 227, 0.72);
}

/* ---------- 页尾承接区 ---------- */

.page-about .about-tail {
  padding: clamp(46px, 7vw, 92px) 0;
  background: var(--paper);
  color: var(--graphite);
}

.page-about .about-tail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: end;
}

.page-about .about-tail .eyebrow {
  color: var(--cyan-2);
}

.page-about .about-tail-title {
  margin: 12px 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(26px, 4.2vw, 48px);
  line-height: 1.16;
  letter-spacing: -0.018em;
  color: var(--graphite);
  max-width: 18ch;
}

.page-about .about-tail-lede {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: var(--fs-3);
  line-height: 1.78;
  color: rgba(16, 24, 21, 0.76);
}

.page-about .about-tail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-tail .btn-ghost {
  color: var(--graphite);
  border-color: var(--line-paper);
}

.page-about .about-tail .btn-ghost:hover {
  color: var(--graphite);
  border-color: var(--graphite);
}

/* ---------- 720px 以上：时间轴节点 ---------- */

@media (min-width: 720px) {
  .page-about .chronicle-body {
    padding-left: 38px;
  }

  .page-about .chronicle-body::before {
    content: "";
    position: absolute;
    left: 8px;
    top: 12px;
    bottom: 12px;
    width: 1px;
    background: linear-gradient(
      180deg,
      rgba(44, 74, 65, 0) 0%,
      var(--line) 5%,
      var(--line) 95%,
      rgba(44, 74, 65, 0) 100%
    );
  }

  .page-about .chapter::before {
    content: "";
    position: absolute;
    left: -34px;
    top: 18px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--ink-deep);
    border: 1px solid var(--line);
    transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
  }

  .page-about .chapter:target::before,
  .page-about .chapter:hover::before {
    background: var(--cyan);
    border-color: var(--cyan);
  }

  .page-about .chapter-note {
    position: absolute;
    right: 0;
    bottom: 20px;
    margin: 0;
  }

  .page-about .index-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .next-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 860px 以上：章节内双列 ---------- */

@media (min-width: 860px) {
  .page-about .chapter-split {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-about .chapter-split .about-figure {
    margin-top: 6px;
  }

  .page-about .about-figure--wide img {
    aspect-ratio: 16 / 9;
  }

  .page-about .pitch-visual {
    margin-left: auto;
  }
}

/* ---------- 900px 以上：首屏分屏 ---------- */

@media (min-width: 900px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(36px, 5vw, 68px);
  }

  .page-about .about-tail-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-about .about-tail-actions {
    justify-content: flex-end;
  }
}

/* ---------- 1024px 以上：左侧索引轨道 ---------- */

@media (min-width: 1024px) {
  .page-about .chronicle-shell {
    grid-template-columns: var(--about-idx-w) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 78px);
    align-items: start;
  }

  .page-about .chronicle-index {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 30px);
  }

  .page-about .chronicle-index-title {
    margin: 0 0 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--line);
    font-size: var(--fs-1);
    letter-spacing: 0.12em;
    color: var(--mist);
  }

  .page-about .chronicle-index-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 2px;
  }

  .page-about .chronicle-index-link {
    display: grid;
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 10px;
    align-items: baseline;
    padding: 9px 8px 9px 10px;
    border-left: 2px solid transparent;
    color: var(--mist);
    font-size: var(--fs-2);
    text-decoration: none;
    transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  }

  .page-about .chronicle-index-link .mono {
    color: var(--line);
    font-size: var(--fs-1);
    transition: color var(--dur) var(--ease);
  }

  .page-about .chronicle-index-link:hover,
  .page-about .chronicle-index-link:focus-visible {
    color: var(--paper);
    border-left-color: var(--cyan);
  }

  .page-about .chronicle-index-link:hover .mono,
  .page-about .chronicle-index-link:focus-visible .mono {
    color: var(--cyan);
  }
}

/* ---------- 动效偏好 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-about .chapter-num,
  .page-about .chronicle-index-link,
  .page-about .chronicle-index-link .mono,
  .page-about .chapter::before,
  .page-about .next-card {
    transition: none;
  }
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>